<?php
namespace App\Filament\Pages\Gescon;

use App\Models\RubricaUniversale;
use App\Models\User;
use App\Support\StabileContext;
use BackedEnum;
use Filament\Actions\Action;
use Filament\Pages\Page;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Concerns\InteractsWithTable;
use Filament\Tables\Contracts\HasTable;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use UnitEnum;

class RubricaUniversaleArchivio extends Page implements HasTable
{
    use InteractsWithTable;

    protected static bool $shouldRegisterNavigation = true;

    protected static ?string $navigationLabel = 'Anagrafica unica (Rubrica)';

    protected static ?string $title = 'Anagrafica unica (Rubrica)';

    protected static BackedEnum|string|null $navigationIcon = 'heroicon-o-book-open';

    protected static UnitEnum|string|null $navigationGroup = 'NetGescon';

    protected static ?int $navigationSort = 3;

    protected static ?string $slug = 'gescon/anagrafica/rubrica-universale';

    protected string $view = 'filament.pages.gescon.table';

    public static function canAccess(): bool
    {
        $user = Auth::user();
        return $user instanceof User
        && $user->hasAnyRole(['super-admin', 'admin', 'amministratore', 'collaboratore']);
    }

    public function mount(): void
    {
        $this->mountInteractsWithTable();
    }

    protected function getTableQuery(): Builder
    {
        $user = Auth::user();
        if (! $user instanceof User) {
            return RubricaUniversale::query()->whereRaw('1 = 0');
        }

        $activeStabile = StabileContext::getActiveStabile($user);
        $adminId       = (int) ($activeStabile?->amministratore_id ?: 0);
        if ($adminId <= 0) {
            return RubricaUniversale::query()->whereRaw('1 = 0');
        }

        $query = RubricaUniversale::query();

        // Allineamento con Anagrafica Unica: include solo contatti realmente collegati al tenant.
        $query->where(function (Builder $q) use ($adminId): void {
            $q->whereRaw('1 = 0');

            if (Schema::hasColumn('rubrica_universale', 'amministratore_id')) {
                $q->orWhere('rubrica_universale.amministratore_id', $adminId);
            }

            if (Schema::hasTable('fornitori')) {
                $q->orWhereExists(function ($sub) use ($adminId) {
                    $sub->select(DB::raw(1))
                        ->from('fornitori as f')
                        ->whereColumn('f.rubrica_id', 'rubrica_universale.id')
                        ->where('f.amministratore_id', $adminId);
                });
            }

            if (Schema::hasTable('stabili') && Schema::hasColumn('stabili', 'rubrica_id')) {
                $q->orWhereExists(function ($sub) use ($adminId) {
                    $sub->select(DB::raw(1))
                        ->from('stabili as s')
                        ->whereColumn('s.rubrica_id', 'rubrica_universale.id')
                        ->where('s.amministratore_id', $adminId);
                });
            }

            if (Schema::hasTable('rubrica_ruoli') && Schema::hasTable('stabili')) {
                $q->orWhereExists(function ($sub) use ($adminId) {
                    $sub->select(DB::raw(1))
                        ->from('rubrica_ruoli as rr')
                        ->join('stabili as s2', 's2.id', '=', 'rr.stabile_id')
                        ->whereColumn('rr.rubrica_id', 'rubrica_universale.id')
                        ->where('s2.amministratore_id', $adminId);
                });
            }
        });

        $query->where(function (Builder $q): void {
            $q->whereNotNull('ragione_sociale')->where('ragione_sociale', '!=', '')
                ->orWhereNotNull('cognome')->where('cognome', '!=', '')
                ->orWhereNotNull('nome')->where('nome', '!=', '')
                ->orWhereNotNull('codice_fiscale')->where('codice_fiscale', '!=', '')
                ->orWhereNotNull('partita_iva')->where('partita_iva', '!=', '');
        });

        return $query
            ->orderByRaw("COALESCE(ragione_sociale, '')")
            ->orderByRaw("COALESCE(cognome, '')")
            ->orderByRaw("COALESCE(nome, '')")
            ->orderBy('id');
    }

    public function table(Table $table): Table
    {
        return $table
            ->striped()
            ->paginationPageOptions([10, 25, 50, 100])
            ->defaultPaginationPageOption(25)
            ->columns([
                TextColumn::make('codice_univoco')->label('Codice')->sortable()->searchable()->toggleable(),
                TextColumn::make('nome_completo')
                    ->label('Nominativo')
                    ->wrap()
                    ->searchable(query: function (Builder $query, string $search): Builder {
                        $search = trim($search);
                        if ($search === '') {
                            return $query;
                        }

                        $tokens = preg_split('/(?:[,;|+]|
                            \s(?:e|ed|and)\s|
                            \s+
                        )+/ux', $search) ?: [];
                        $tokens = array_values(array_filter(array_map(static fn(string $value): string => trim($value), $tokens), static fn(string $value): bool => $value !== ''));

                        if ($tokens === []) {
                            $tokens = [$search];
                        }

                        foreach ($tokens as $token) {
                            $like   = '%' . mb_strtolower($token) . '%';
                            $digits = preg_replace('/\D+/', '', $token) ?: '';
                            $query->where(function (Builder $q) use ($like, $digits) {
                                $q->whereRaw("LOWER(COALESCE(ragione_sociale, '')) LIKE ?", [$like])
                                    ->orWhereRaw("LOWER(COALESCE(nome, '')) LIKE ?", [$like])
                                    ->orWhereRaw("LOWER(COALESCE(cognome, '')) LIKE ?", [$like])
                                    ->orWhereRaw("LOWER(TRIM(CONCAT(COALESCE(nome, ''), ' ', COALESCE(cognome, '')))) LIKE ?", [$like])
                                    ->orWhereRaw("LOWER(COALESCE(email, '')) LIKE ?", [$like])
                                    ->orWhereRaw("LOWER(COALESCE(pec, '')) LIKE ?", [$like])
                                    ->orWhereRaw("LOWER(COALESCE(codice_fiscale, '')) LIKE ?", [$like])
                                    ->orWhereRaw("LOWER(COALESCE(partita_iva, '')) LIKE ?", [$like]);

                                if ($digits !== '') {
                                    $digitLike = '%' . $digits . '%';
                                    $q->orWhereRaw("REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(COALESCE(telefono_ufficio, ''), ' ', ''), '+', ''), '-', ''), '(', ''), ')', '') LIKE ?", [$digitLike])
                                        ->orWhereRaw("REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(COALESCE(telefono_cellulare, ''), ' ', ''), '+', ''), '-', ''), '(', ''), ')', '') LIKE ?", [$digitLike])
                                        ->orWhereRaw("REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(COALESCE(telefono_casa, ''), ' ', ''), '+', ''), '-', ''), '(', ''), ')', '') LIKE ?", [$digitLike]);
                                }
                            });
                        }

                        return $query;
                    }),
                TextColumn::make('categoria')->label('Categoria')->sortable()->toggleable(),
                TextColumn::make('partita_iva')->label('P.IVA')->searchable()->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('codice_fiscale')->label('CF')->searchable()->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('email')->label('Email')->searchable()->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('pec')->label('PEC')->searchable()->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('stato')->label('Stato')->sortable()->toggleable(isToggledHiddenByDefault: true),
            ])
            ->actions([
                Action::make('apri_scheda')
                    ->label('Apri scheda')
                    ->icon('heroicon-o-identification')
                    ->url(fn(RubricaUniversale $record) => RubricaUniversaleScheda::getUrl(['record' => $record->id], panel: 'admin-filament')),
            ]);
    }
}